Package org.lwjgl.opengl

Class ARBShaderAtomicCounters

java.lang.Object

org.lwjgl.opengl.ARBShaderAtomicCounters

public class ARBShaderAtomicCounters
extends Object

Native bindings to the ARB_shader_atomic_counters extension.

This extension provides a set of atomic counters.

This extension provides GLSL built-in functions to query and increment/decrement these atomic counters.

This enables a shader to write to unique offsets (append to a buffer object) or read from unique offsets (consume from a buffer object).

Opaque handles to atomic counters are declared at global scope and are qualified with the uniform qualifier.

Unlike other user-defined uniforms declared at global scope, they take NO storage from the default partition, they have NO location, and they may NOT be set with the Uniform* commands. Atomic counters may also NOT be grouped into uniform blocks.

Active atomic counters can be discovered by the commands GetUniformIndices, GetActiveUniformName, GetActiveUniform and GetActiveUniformsiv.

Like samplers, the opaque handles of the atomic counters and are ONLY used in some GLSL built-in functions.

The atomic counters pointed to by the opaque handles are bound to buffer binding points and buffer offsets through the layout qualifiers in the shading language, or they are implicitly assigned by the compiler.

Through the OpenGL API, buffer objects may be bound to these binding points with BindBufferBase or BindBufferRange.

The contents of the atomic counters are stored in the buffer objects. The contents of atomic counters may be set and queried with buffer object manipulation functions (e.g. BufferData, BufferSubData, MapBuffer or MapBufferRange).

Requires OpenGL 3.0. Promoted to core in OpenGL 4.2.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	GL_ACTIVE_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetProgramiv.
static final int	GL_ATOMIC_COUNTER_BUFFER	Accepted by the target parameter of BindBufferBase and BindBufferRange.
static final int	GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_BINDING	Accepted by the pname parameter of GetBooleani_v, GetIntegeri_v, GetFloati_v, GetDoublei_v, GetInteger64i_v, GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, GetDoublev, and GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER	Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.
static final int	GL_ATOMIC_COUNTER_BUFFER_SIZE	Accepted by the pname parameter of GetIntegeri_64v.
static final int	GL_ATOMIC_COUNTER_BUFFER_START	Accepted by the pname parameter of GetIntegeri_64v.
static final int	GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_COMBINED_ATOMIC_COUNTERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_FRAGMENT_ATOMIC_COUNTERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_GEOMETRY_ATOMIC_COUNTERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_MAX_VERTEX_ATOMIC_COUNTERS	Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.
static final int	GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX	Accepted by the pname parameter of GetActiveUniformsiv.
static final int	GL_UNSIGNED_INT_ATOMIC_COUNTER	Returned in params by GetActiveUniform and GetActiveUniformsiv.

Method Summary

Modifier and Type	Method	Description
static int	glGetActiveAtomicCounterBufferi(int program, int bufferIndex, int pname)	Obtains information about the set of active atomic counter buffers for a program.
static void	glGetActiveAtomicCounterBufferiv(int program, int bufferIndex, int pname, int[] params)	Array version of: GetActiveAtomicCounterBufferiv
static void	glGetActiveAtomicCounterBufferiv(int program, int bufferIndex, int pname, IntBuffer params)	Obtains information about the set of active atomic counter buffers for a program.
static void	nglGetActiveAtomicCounterBufferiv(int program, int bufferIndex, int pname, long params)	Unsafe version of: GetActiveAtomicCounterBufferiv

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

GL_ATOMIC_COUNTER_BUFFER

public static final int GL_ATOMIC_COUNTER_BUFFER

Accepted by the target parameter of BindBufferBase and BindBufferRange.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_BINDING

public static final int GL_ATOMIC_COUNTER_BUFFER_BINDING

Accepted by the pname parameter of GetBooleani_v, GetIntegeri_v, GetFloati_v, GetDoublei_v, GetInteger64i_v, GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, GetDoublev, and GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_START

public static final int GL_ATOMIC_COUNTER_BUFFER_START

Accepted by the pname parameter of GetIntegeri_64v.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_SIZE

public static final int GL_ATOMIC_COUNTER_BUFFER_SIZE

Accepted by the pname parameter of GetIntegeri_64v.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE

public static final int GL_ATOMIC_COUNTER_BUFFER_DATA_SIZE

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS

public static final int GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES

public static final int GL_ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER

public static final int GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER

public static final int GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER

public static final int GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER

public static final int GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER

public static final int GL_ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER

Accepted by the pname parameter of GetActiveAtomicCounterBufferiv.

See Also:

• Constant Field Values

GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS

public static final int GL_MAX_VERTEX_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS

public static final int GL_MAX_TESS_CONTROL_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS

public static final int GL_MAX_TESS_EVALUATION_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS

public static final int GL_MAX_GEOMETRY_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS

public static final int GL_MAX_FRAGMENT_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS

public static final int GL_MAX_COMBINED_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_VERTEX_ATOMIC_COUNTERS

public static final int GL_MAX_VERTEX_ATOMIC_COUNTERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS

public static final int GL_MAX_TESS_CONTROL_ATOMIC_COUNTERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS

public static final int GL_MAX_TESS_EVALUATION_ATOMIC_COUNTERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_GEOMETRY_ATOMIC_COUNTERS

public static final int GL_MAX_GEOMETRY_ATOMIC_COUNTERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_FRAGMENT_ATOMIC_COUNTERS

public static final int GL_MAX_FRAGMENT_ATOMIC_COUNTERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_COMBINED_ATOMIC_COUNTERS

public static final int GL_MAX_COMBINED_ATOMIC_COUNTERS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE

public static final int GL_MAX_ATOMIC_COUNTER_BUFFER_SIZE

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS

public static final int GL_MAX_ATOMIC_COUNTER_BUFFER_BINDINGS

Accepted by the pname parameter of GetBooleanv, GetIntegerv, GetInteger64v, GetFloatv, and GetDoublev.

See Also:

• Constant Field Values

GL_ACTIVE_ATOMIC_COUNTER_BUFFERS

public static final int GL_ACTIVE_ATOMIC_COUNTER_BUFFERS

Accepted by the pname parameter of GetProgramiv.

See Also:

• Constant Field Values

GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX

public static final int GL_UNIFORM_ATOMIC_COUNTER_BUFFER_INDEX

Accepted by the pname parameter of GetActiveUniformsiv.

See Also:

• Constant Field Values

GL_UNSIGNED_INT_ATOMIC_COUNTER

public static final int GL_UNSIGNED_INT_ATOMIC_COUNTER

Returned in params by GetActiveUniform and GetActiveUniformsiv.

See Also:

• Constant Field Values

Method Details

nglGetActiveAtomicCounterBufferiv

public static void nglGetActiveAtomicCounterBufferiv(int program,
 int bufferIndex,
 int pname,
 long params)

Unsafe version of: GetActiveAtomicCounterBufferiv

glGetActiveAtomicCounterBufferiv

public static void glGetActiveAtomicCounterBufferiv(int program,
 int bufferIndex,
 int pname,
 IntBuffer params)

Obtains information about the set of active atomic counter buffers for a program.

Parameters:

program - the name of a program object for which the command LinkProgram has been issued in the past

bufferIndex - the index of an active atomic counter buffer

pname - the parameter to query. One of:

ATOMIC_COUNTER_BUFFER_DATA_SIZE

ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS

ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER

params - a buffer in which to place the returned value

glGetActiveAtomicCounterBufferi

public static int glGetActiveAtomicCounterBufferi(int program,
 int bufferIndex,
 int pname)

Obtains information about the set of active atomic counter buffers for a program.

Parameters:

program - the name of a program object for which the command LinkProgram has been issued in the past

bufferIndex - the index of an active atomic counter buffer

pname - the parameter to query. One of:

ATOMIC_COUNTER_BUFFER_DATA_SIZE

ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTERS

ATOMIC_COUNTER_BUFFER_ACTIVE_ATOMIC_COUNTER_INDICES

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_VERTEX_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_CONTROL_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_TESS_EVALUATION_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_GEOMETRY_SHADER

ATOMIC_COUNTER_BUFFER_REFERENCED_BY_FRAGMENT_SHADER

glGetActiveAtomicCounterBufferiv

public static void glGetActiveAtomicCounterBufferiv(int program,
 int bufferIndex,
 int pname,
 int[] params)

Array version of: GetActiveAtomicCounterBufferiv